Your opinion? Brown

[Greg]

Hi ^^ I don't know how we call this in english brown shell ?

 

[Greg Shchepanek]

Actually it is a nut/nutshell Greg and a very attractive one at that.

 

[Greg Shchepanek]

I imagine some critter extracted the nut

 

[Helix_2648]

Looks a bit like a chestnut but it has more spikes... mhh dpn't know what it is

 

[Greg]

In france we call this : marron (like brown color in english)

 

[nataliaflejszar&Photo]

it\s looks like hedgehog
good pictures of it